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- Gable, hip, mono, scissor and attic trusses
- Spans to about 15 m (more per design)
- 600 – 1200 mm centres
- Termite-proof, straight, light
- Top-hat battens for any roofing
- Over LGS walls, concrete or masonry
What it is
LGS trusses are triangulated frames of C chords and webs joined with self-drilling screws. They are light enough to lift by hand or small crane, perfectly straight and immune to termites – the reason they are widely used on new roofs and to re-roof concrete buildings in tropical climates.
Design
Trusses are designed for dead load, roofing, ceiling, wind uplift and – where relevant – solar panels and snow, with tie-downs to the wall top track or a concrete ring beam.
- Roofing: metal sheets, concrete or clay tiles on top-hat battens
- Ceiling: furring channels or battens under the bottom chord
- Tie-downs: brackets and straps to walls or ring beams
- Bracing: roof bracing straps and binders
시장별 표준 및 요구사항
World Steel이 본 제품의 설계, 제작, 문서화에 적용하는 기준 – 그리고 각 시장의 주요 형상 및 하중 요구사항.
미국
- AISI S100Cold-formed steel structural members
- AISI S240Cold-formed steel structural framing
- ASTM A1003 / C955Sheet steel and load-bearing studs
- IBC Ch. 22Steel – cold-formed framing
- Coating
- G60 (Z180) minimum for structural framing members
호주 / 뉴질랜드
- AS/NZS 4600Cold-formed steel structures
- NASH StandardResidential and low-rise steel framing, Parts 1 & 2
- AS 1397Steel sheet and strip – G550, Z / AZ coatings
- NCCBuilding Code of Australia
- Corrosion
- coating class to NASH / AS 4312 exposure
유럽
- EN 1993-1-3Cold-formed members and sheeting
- EN 1090-4Execution of cold-formed structural elements
- EN 10346Continuously hot-dip coated steel – S350GD – S550GD
- EN 1993-1-1General rules
- CE
- EN 1090-1 for structural kits
참고용 요약입니다 – 프로젝트 시방서, 채택된 기준 판본 및 관할 기관의 요구가 우선합니다.
표면 처리
| 표면 처리 | 표준 / 비고 |
|---|---|
| Frame | AZ150 / Z275 |
